The rest of the steps are the same for both extension and mobile wallets.
Click on Create Wallet
Choose your password type and input password.
Immediately after you will be asked to choose a platform to create your wallet on.
Select Solana (SOL SPL) and name the wallet.
You should add some SOL in the wallet before you attempt to add Solberg (SLB) token
Now you are ready to send and receive Solberg ($SLB) tokens using Coin98.